Re: [Linaro-mm-sig] [RFC 0/4] dma-buf Constraints-Enabled Allocation helpers

2014-10-14 Thread Sumit Semwal
Hi Laura, On 13 October 2014 13:42, Laura Abbott wrote: > On 10/10/2014 1:07 PM, Sumit Semwal wrote: >> >> Hi, >> >> Why: >> >> While sharing buffers using dma-buf, currently there's no mechanism to >> let >> devices share their memory access constraints with each other to allow for >> del

Re: [Linaro-mm-sig] [RFC 0/4] dma-buf Constraints-Enabled Allocation helpers

2014-10-13 Thread Laura Abbott
On 10/10/2014 1:07 PM, Sumit Semwal wrote: Hi, Why: While sharing buffers using dma-buf, currently there's no mechanism to let devices share their memory access constraints with each other to allow for delayed allocation of backing storage. This RFC attempts to introduce the idea of memo